Really, this isn't as shocking as it seems given Justin has spoken about wanting to marry Hailey before.
They parted before he rekindled his romance with Hailey in June.
The two have been dating steadily for the last month, but have dated in the past. They're no strangers to each other.
Justin and the model first got together in 2016 after being friends for years.
Hailey recently gushed over her beau when addressing the first time they had split up.
GettyJustin Bieber performs onstage during Z100's Jingle Ball 2016 at Madison Square Garden on December 9, 2016 in New York, New York.
As previously reported, the "Love Yourself" singer, 24, proposed to the model, 21, in front of a crowd at a resort in the Bahamas on Saturday, July 7.
Tyler Honeycutt’s death confirmed by agent
A SWAT team entered the home and located an unresponsive male, who was pronounced dead at the scene, the LAPD tweeted at 3:45 a.m. After being waived by the Rockets, Honeycutt went to Europe, where he most recently played with BC Khimki in Russian Federation .
Bieber's security team is believed to have told others at the restaurant to put their phones away before the singer popped the question. When speaking with GQ, he told the magazine he didn't want to "rush into anything" in case they got married in the future.
American entertainment site People quoted a source close to the couple as saying: "It's kind of a surprise, but kind of not".
Today, one social media user suggested that the quick engagements of Ariana Grande with Peter Davidson and of Justin Bieber with Hailey Baldwin were in fact orchestrated by their manager Scooter Braun just for publicity purposes! News: "Justin made arrangements for the ring when they were in NYC and knew that he wanted to propose to her".
Bieber wrote that he was "the proudest" on Twitter. Excited for the next chapter!'
Meanwhile, Justin's mother Pattie Mallete sent out a super-sweet tweet which was full of love and adoration.